Nuclear power can generate electricity without greenhouse gas emissions. However, there are concerns about its safety. Learn about the safety and health concerns associated with the threat of nuclear meltdowns, as well as the challenges involved in storing radioactive waste.he isotope U-235 is important because it can be used in the nuclear fission chain reaction to create a lot of energy. Unlike the uranium used in a nuclear bomb, which is about 90% enriched with the isotope U-235, the uranium used in a nuclear reactor is only slightly enriched, to about four or five percent.
1 Professional sod installation typically costs $500 to $1,000 for a 2,000 sq. ft. or smaller lawn. 2  Per square foot installation costs average $.50 to $1.00. 3  Installing sod on smaller lawns tends to cost more per square foot.
There are different cost of sod in different areas. Orlando Outdoors carries sod, grass, sand, dirt, rock, mulch, pavers, plants, and trees. Sodded lawns are expensive, costing anywhere from 14 cents per sq. ft. to as much as 50-60 cents per sq. ft. â And that cost may not even include the site preparations.oysia sod cost in the range of 8-30 cents sq. ft. depending on sod kind and variety and the quantities you will purchase.